*SUPPORT*
IN: wif wif kiki OUT: BLUE BLUE BLUE BLUE
IN: tufa gazzer zup OUT: RED PINK RED PINK
IN: wif kiki fep wif zup OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: gazzer tufa kiki OUT: PINK RED RED RED
IN: gazzer fep gazzer zup OUT: PINK PINK PINK PINK
IN: dax zup OUT: YELLOW YELLOW
IN: tufa OUT: RED
IN: wif kiki fep dax zup OUT: BLUE BLUE BLUE YELLOW BLUE BLUE BLUE YELLOW
IN: wif kiki OUT: BLUE BLUE BLUE
IN: wif fep dax OUT: BLUE YELLOW
IN: dax kiki OUT: YELLOW YELLOW YELLOW
IN: tufa kiki zup OUT: RED RED RED RED RED RED
IN: wif fep tufa OUT: BLUE RED
IN: tufa kiki OUT: RED RED RED

*QUERY*
IN: wif kiki fep wif fep gazzer OUT: BLUE BLUE BLUE BLUE PINK
IN: gazzer OUT: PINK
IN: wif OUT: BLUE
IN: tufa gazzer kiki fep gazzer OUT: RED PINK PINK PINK PINK
IN: tufa dax zup fep tufa fep gazzer OUT: RED YELLOW RED YELLOW RED PINK
IN: dax wif tufa fep tufa OUT: YELLOW BLUE RED RED
IN: dax OUT: YELLOW
IN: gazzer kiki zup fep wif OUT: PINK PINK PINK PINK PINK PINK BLUE
IN: gazzer kiki OUT: PINK PINK PINK
IN: gazzer tufa kiki fep gazzer OUT: PINK RED RED RED PINK

*GRAMMAR*
gazzer -> PINK 
 tufa -> RED 
 dax -> YELLOW 
 wif -> BLUE 
 x1 fep u1 -> [x1] [u1] 
 x1 zup -> [x1] [x1] 
 u1 kiki -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 